Should San Francisco voters approve Proposition B? (November 3, 2026 ballot)

What's this about?

People disagree about whether San Francisco voters should approve Prop B.

It would let the city plan a public bank, but would not start one now.

What supporters say

• A yes vote keeps this choice open without making the city spend money now.
• A public lender could help people and groups who struggle to get loans.
• It could work with private banks instead of trying to replace them.

What critics say

• State rules and work needs could slow the plan or limit its gains.
• The full plan could later need a lot of public money.
• A yes vote would not prove that the bank could work well or earn enough money.

How to read this

The number of points on each side does not show who is right; check how strong each point’s proof is.

Proposition B would authorize San Francisco to create a municipal finance corporation that could eventually become a public bank. The measure would not require the City to establish or fund the institution immediately, but later decisions could involve major costs, regulatory hurdles and uncertain public benefits.

The case for

The strongest argument is that a “yes” vote preserves an option without making the City use it. The ballot digest says San Francisco could create the corporation only if it had enough funding and resources, while the Controller says approval itself would not directly increase government costs because creation is not mandatory. The measure would also proceed in stages: the corporation could begin lending and potentially become a public bank after three years, with staffing tied to future funding decisions. 1

Supporters say the lender could focus on areas where residents and businesses have difficulty obtaining financing, including affordable housing, homeownership, small businesses, environmental sustainability and environmental justice. Research on public banks offers some support for that idea. One International Monetary Fund study found that public banks increased lending more than private banks during the global financial crisis, when private lenders pulled back. But that evidence shows only that public ownership can help in some circumstances; it does not prove that a new San Francisco institution would have the same effect.

The proposed lender might also work alongside private banks rather than replace them. California’s public-banking rules allow wholesale, participation, infrastructure and local-agency lending. Research on the Bank of North Dakota points to partnerships with local financial institutions as one feature of its model. Those examples suggest a public lender could fill selected gaps while using existing institutions to help deliver loans. 3

The case against

A major concern is that avoiding an immediate appropriation does not eliminate future public exposure. If San Francisco moves forward, estimates from the Reinvestment Working Group put establishment and operation at roughly $310 million to $460 million over eight years, though the final amount could be higher or lower. The figures depend on future capitalization, staffing, loan performance and policy choices (see Figure 1). A yes vote would not commit that money automatically, but it could begin a process that later creates substantial funding demands.

Approval also would not show that the institution could succeed at San Francisco’s scale. Local plans rely on assumptions about interest rates, loan losses, demand, staffing and capitalization, rather than experience from an operating San Francisco lender. North Dakota provides useful comparisons, but its results reflect a particular history, governance structure, partnerships and business model—not public ownership alone. 5

Regulation could make the project slower, more expensive and less flexible than supporters expect. California public banks need authorization and continuing compliance under state rules. The framework limits the kinds of loans they may make and restricts retail banking. Those safeguards may reduce risks, but they also bring legal, capital, operating and compliance burdens that could delay benefits or narrow the institution’s mission. 6

There is also a governance tradeoff. Professional boards and oversight bodies could protect lending decisions from direct political pressure. At the same time, the Controller warns that independence could leave the City with limited control over financial results and how public funds are used.